Heterologous fibrin sealant derived from snake venom: from bench to bedside – an overview
AUTOR(ES)
Ferreira Jr, Rui Seabra, Barros, Luciana Curtolo de, Abbade, Luciana Patrícia Fernandes, Barraviera, Silvia Regina Catharino Sartori, Silvares, Maria Regina Cavariani, Pontes, Leticia Gomes de, Santos, Lucilene Delazari dos, Barraviera, Benedito
FONTE
J. Venom. Anim. Toxins incl. Trop. Dis
DATA DE PUBLICAÇÃO
06/07/2017
RESUMO
Abstract Hemostatic and adhesive agents date back to World War II, when homologous fibrin sealant came onto scene. Considering that infectious diseases can be transmitted via human blood, a new heterologous fibrin sealant was standardized in the 1990s. Its components were a serine protease (a thrombin-like enzyme) extracted from the venom of Crotalus durissus terrificus snakes and a fibrinogen-rich cryoprecipitate extracted from the blood of Bubalus bubalis buffaloes. This new bioproduct has been used as a coagulant, sealant, adhesive and recently as a candidate scaffold for mesenchymal stem cells and bone and cartilage repair. This review discusses the composition of a new heterologous fibrin sealant, and cites published articles related to its preclinical applications aiming at repairing nervous system traumas and regenerating bone marrow. Finally, we present an innovative safety trial I/II that found the product to be a safe and clinically promising candidate for treating chronic venous ulcers. A multicenter clinical trial, phase II/III, with a larger number of participants will be performed to prove the efficacy of an innovative biopharmaceutical product derived from animal venom.
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